Samsung KS57C2308 manual Symbols and Conventions Data Type Symbols

SAM47 INSTRUCTION SET KS57C2308/P2308/C2316/P2316

SYMBOLS and CONVENTIONS

Table 5-4. Data Type Symbols

Symbol	Data Type
d	Immediate data
a	Address data
b	Bit data
r	Register data
f	Flag data
i	Indirect addressing data
t	memc × 0.5 immediate data

Table 5-5. Register Identifiers

Full Register Name	ID
4-bit accumulator	A
4-bit working registers	E, L, H, X, W,
	Z, Y
8-bit extended accumulator	EA
8-bit memory pointer	HL
8-bit working registers	WX, YZ, WL
Select register bank “n”	SRB n
Select memory bank “n”	SMB n
Carry flag	C
Program status word	PSW
Port “n”	Pn
“m”th- bit of port “n”	Pn.m
Interrupt priority register	IPR
Enable memory bank flag	EMB
Enable register bank flag	ERB

Table 5-6. Instruction Operand Notation

Symbol	Definition
DA	Direct address
@	Indirect address prefix
src	Source operand
dst	Destination operand

(R)Contents of register R

.b	Bit location
im	4-bit immediate data (number)
imm	8-bit immediate data (number)
#	Immediate data prefix
ADR	000H–1FFFH immediate address
ADRn	“n” bit address
R	A, E, L, H, X, W, Z, Y
Ra	E, L, H, X, W, Z, Y
RR	EA, HL, WX, YZ
RRa	HL, WX, WL
RRb	HL, WX, YZ
RRc	WX, WL
mema	FB0H–FBFH, FF0H–FFFH
memb	FC0H–FFFH
memc	Code direct addressing:
	0020H–007FH
SB	Select bank register (8 bits)
XOR	Logical exclusive-OR
OR	Logical OR
AND	Logical AND
[(RR)]	Contents addressed by RR

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